The goal of the North Korean leaders in 1953 was to unite North and South Korea under a communist government.
Once a single nation that was seized by Japan in 1910, the Korean Land has been split up into North Korea and South Korea since the extremity of World War II in 1945.
From 1950 to 1953, the two countries occupied in the Korean Conflict, which stopped in a peace agreement but without a peace accord that was only the one reason for uniting the north and South Korea under the communist system.
Therefore, option B is correct.
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